You will be using the observations given in the scenarios i - vi below to determ

Question

You will be using the observations given in the scenarios i - vi below to determine which of the following is true for ?G (a - c), which of the following is true for ?S (d - f) and which of the following is true for ?H (g - i).

a) The sign of ?G is positive.
b) The sign of ?G is negative.
c) Cannot determine the sign of ?G from the information given.

d) The sign of ?S is positive.
e) The sign of ?S is negative.
f) Cannot determine the sign of ?S from the information given.

g) The sign of ?H is positive.
h) The sign of ?H is negative.
i) Cannot determine the sign of ?H from the information given.

i) A spontaneous reaction is taking place in a flask. When you touch the flask, it feels cold and gets colder as the reaction progresses.
Input format: in alphabetical order something like c,d,i

ii) A spontaneous reaction is taking place in a flask as evidenced by the formation of gas bubbles. When you touch the flask, it feels hot and gets hotter as the reaction progresses.
Input format: in alphabetical order something like c,d,i

iii) A spontaneous reaction is taking place in a flask. When you touch the flask, it feels hot and gets hotter as the reaction progresses.
Input format: in alphabetical order something like c,d,i

iv) A spontaneous reaction is taking place in a flask. You notice the formation of gas bubbles intensifies as the reaction progresses.
Input format: in alphabetical order something like c,d,i

v) A solid in a closed flask begins to melt. (You can consider this a phase change.)
Input format: in alphabetical order something like c,d,i

vi) A liquid begins to appear on the inside of a closed flask. At first glance before the liquid began to appear, you might have thought the flask was empty. (You can consider this a phase change.)
Input format: in alphabetical order something like c,d,i

Explanation / Answer

i) b,d,g

ii) b,d,h

iii) b,d,h

iv) b,d,i

v) b,d,g

vi) b,e,h

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